The ECS-4 Extension Cable is simply a 16 ft extension cable to use with the AMP-2 sensor board. It has a male and female end and can extend the distance between AMP-2 sensor board and the main controller.
Plug & Play
1 x 16ft Extension Cable
Working Environments: Temperature 32-122°F, Humidity=90%
Package Dimensions: 156mm(L) x 83mm(W) x 30mm(H)